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Investment Team

Meet the team members from across Big Issue Invest and UnLtd who work on the day-to-day operations of the Fund.

  • Ben Tiplady


    🏳️‍🌈 Member of the LGBTQ+ community

    Big Issue Invest

    Investment Associate

    Ben works on the Investment Team for GIF, assessing applications and working with the team on due diligence of investments. Ben has an ambition to tackle inequality and help create a more equitable world for all.

  • David Bartram



    Director of Delivery and Investment

    David is Director of Delivery & Investment at UnLtd. He has over 15 years of experience of social purpose business support and social investment. David started his career in consultancy and financial services with McKinsey & Company and Lloyds Banking Group respectively.

  • Farai Nyadundu


    Big Issue Invest

    Investment Analyst

    Farai works on the Growth Impact Fund as an Investment Analyst and supports the team by analysing potential investees, carrying out due-diligence and assisting with investment appraisal to help fund socially focussed organisations. Farai developed an interest in the social investment sector after becoming involved in charity work as a charity Trustee.

  • Helen Bramhall



    Portfolio Manager

    Helen is Portfolio Manager, bringing a wealth of experience in the charity sector and as an award-winning social entrepreneur. With her extensive expertise, Helen is passionate about fostering equitable and sustainable societal change.

  • Lars Hagelmann


    Big Issue Invest

    Head of Investments

    Lars is Head of Investments at Big Issue Invest and joined BII in 2016. Lars has over 20 years’ experience in direct investment and investment management and has launched two funds at BII. Lars started his career in Berlin with BDO in Corporate Finance before moving to London to work for SISU Capital, sourcing and managing direct Private Equity investments. He spent 6 years in the Middle East in Venture and Private Equity with a focus on education, healthcare and real estate.

  • Oyinkansola Olatunji


    Big Issue Invest

    Investment Analyst

    Oyinkansola comes from a background in legal and finance administration. As the Investment Analyst, she supports the fund management and lending team with documenting board and committee meetings, committee paper drafting, external and internal communication, GDPR, KYC / AML monitoring and Sector analysis.

  • Raheem Manan



    Portfolio Manager

    Raheem is a Portfolio Manager for the Growth Impact Fund. His experience includes working with the impact investing team at Guy's & St Thomas' Foundation and in the financial services and public sectors, with a specific focus on pan-African and global enterprises. Inspired by his upbringing in a South African township, Raheem is committed to fostering positive social impact for underserved and disadvantaged communities.

  • Sarah Faber


    Big Issue Invest

    Investment Director

    Sarah is an Investment Director at Big Issue Invest, and alongside Mathu leads the Growth Impact Fund ensuring that flexible investment reaches underrepresented founders. Sarah previously ran the Young Academy Investment Fund which aimed to scale education organisations. Sarah hopes that the learnings from the fund can help to create a more equitable and diverse social investment sector.

  • Trishna Nath



    Portfolio Lead

    Trishna is the Portfolio Lead at UnLtd, the Foundation for Social Entrepreneurs. She manages a portfolio of investees across UnLtd and the Growth impact Fund, leading the delivery of pre and post investment support, and developing outreach strategies to improve access to capital for underrepresented founders. Prior to working at UnLtd, Trishna was an Investment Manager at Nesta, and has worked with social purpose organisations across arts & culture, health, education and social justice sectors in the US.

Investment Advisory Committee

Our independent committee of advisors. They will review cases for social investment on a monthly basis.

  • Anita Panchmatia

    Bank of America

    Managing Director

  • Gurmeet Kaur

    New Philanthropy Capital

    Principal, Impact Investing

  • Izzy Obeng


    Chief Executive Officer

  • Joanne Anderson



  • Sara Redford

    Big Issue Invest

    Chair of Investment Advisory Committee

  • Sung-Hyui Park


    Bates Wells


  • Teddy Kim


    APX and Heartfelt_


  • Zoe Clements

    Non-executive director

Impact Group

Our independent group of impact specialists. They will help to advise us on everything from due-diligence to post social investment support.

  • Amir Rizwan

    Queen Mary Innovation

    Director, London Social Venture Fund Project

  • Karl Lokko

    Black Seed


  • Katie Naeve

    Root Capital

    Director of Impact & Partnerships & Lead of the Women in Agriculture Initiative

  • Rahul Bissoonauth


    Director of Business Development

  • Rowena Estwick

    Director of Diversity, Equity and Inclusion

  • Sally Higham

    In A Box Services

    Managing Director

  • Sara Llewellin

    Barrow Cadbury Trust

    Chief Executive

  • Stephen Bediako

    Turning Basin Labs

    Co-Founder / Managing Director